X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_user_ethdev.c;h=20b72922a146f3f2966e8eae53a48ca5fb88926e;hb=2fd826a301b5a872cad0b67c807d3011693321c7;hp=57c964d6d88ee7ba006adf6d8c1892251b75ab81;hpb=3a643acd4fcc22d3694978a96b0d1112d0a5e8c5;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 57c964d6d8..20b72922a1 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -86,7 +86,11 @@ virtio_user_read_dev_config(struct virtio_hw *hw, size_t offset,
 			int flags;
 
 			flags = fcntl(dev->vhostfd, F_GETFL);
-			fcntl(dev->vhostfd, F_SETFL, flags | O_NONBLOCK);
+			if (fcntl(dev->vhostfd, F_SETFL,
+					flags | O_NONBLOCK) == -1) {
+				PMD_DRV_LOG(ERR, "error setting O_NONBLOCK flag");
+				return;
+			}
 			r = recv(dev->vhostfd, buf, 128, MSG_PEEK);
 			if (r == 0 || (r < 0 && errno != EAGAIN)) {
 				dev->status &= (~VIRTIO_NET_S_LINK_UP);